Much to our _____, China won 51 gold medals, more than any other nation, at the 2008 Beijing Olympic Games. 

Those who don’t get their sufficient sleep are actually sending a(n) _____ to severe problems in their life.

 Mr. Barret doesn’t think that all bad language should be allowed. In his opinion, there are ______ that should be kept up.

I bought a dress for only 10 dollars in a sale;it was a real _________.

Students build up their vocabularies by         of reading more.